from tkinter import *
x = int(input())
y = int(input())
n = int(input())
xmax = x + 20 * n
ymax = y + 30 * n
if xmax <= 500 and ymax <= 500:
    window = Tk()
    window.geometry('500x500')
    canvas = Canvas(bg = 'White', width=500, height=500)
    canvas.pack(anchor = CENTER, expand = 1)
    canvas.create_polygon(x, y, x + 10 * n, y, x + 10 * n, y + 10 * n, \
                    x + 20 * n, y + 10 * n, x + 20 * n, y + 30 * n, \
                    x + 10 * n, y + 30 * n, x + 10 * n, y + 20 * n, \
                    x, y + 20 * n, \
                    fill= 'blue', outline= 'black')
    window.mainloop()
else:
    print('Размер фигуры превышает максимальный размер поля')
